HARD ADDITION. Be able to answer this in less than one minute.   

1.40 + 25 = ______________  26.31 + 75 = ______________
2.99 + 32 = ______________  27.30 + 99 = ______________
3.38 + 13 = ______________  28.39 + 78 = ______________
4.43 + 31 = ______________  29.29 + 87 = ______________
5.75 + 99 = ______________  30.92 + 83 = ______________
6.89 + 79 = ______________  31.66 + 92 = ______________
7.97 + 42 = ______________  32.22 + 21 = ______________
8.24 + 78 = ______________  33.77 + 79 = ______________
9.92 + 69 = ______________  34.18 + 22 = ______________
10.93 + 74 = ______________  35.63 + 45 = ______________
11.66 + 69 = ______________  36.36 + 55 = ______________
12.89 + 88 = ______________  37.36 + 66 = ______________
13.49 + 63 = ______________  38.30 + 24 = ______________
14.50 + 91 = ______________  39.54 + 70 = ______________
15.44 + 88 = ______________  40.53 + 44 = ______________
16.77 + 80 = ______________  41.12 + 95 = ______________
17.42 + 28 = ______________  42.62 + 32 = ______________
18.91 + 79 = ______________  43.70 + 52 = ______________
19.12 + 30 = ______________  44.22 + 25 = ______________
20.39 + 33 = ______________  45.42 + 88 = ______________
21.74 + 94 = ______________  46.55 + 33 = ______________
22.79 + 59 = ______________  47.50 + 48 = ______________
23.50 + 34 = ______________  48.69 + 72 = ______________
24.67 + 45 = ______________  49.87 + 80 = ______________
25.10 + 97 = ______________  50.98 + 25 = ______________